Wing Vortex Refraction Effects from BAC 1-11 Flight Tests
VEHICLE AIR HANDLING SYSTEM FOR APPORTIONING AIRFLOW BETWEEN PASSENGER AND CARGO COMPARTMENTS
Sound absorbing duct with foam-filled honeycomb core for environmental control system
SOUND ABSORBING DUCT WITH FOAM-FILLED HONEYCOMB CORE FOR ENVIRONMENTAL CONTROL SYSTEM
Sound absorbing duct for environmental control system